cmd/micro/pluginmanager_test.go

   1 package main
   2
   3 import (
   4         "github.com/blang/semver"
   5         "testing"
   6
   7         "github.com/yosuke-furukawa/json5/encoding/json5"
   8 )
   9
  10 func TestDependencyResolving(t *testing.T) {
  11         js := `
  12 [{
  13   "Name": "Foo",
  14   "Versions": [{ "Version": "1.0.0" }, { "Version": "1.5.0" },{ "Version": "2.0.0" }]
  15 }, {
  16   "Name": "Bar",
  17   "Versions": [{ "Version": "1.0.0", "Require": {"Foo": ">1.0.0 <2.0.0"} }]
  18 }, {
  19   "Name": "Unresolvable",
  20   "Versions": [{ "Version": "1.0.0", "Require": {"Foo": "<=1.0.0", "Bar": ">0.0.0"} }]
  21         }]
  22 `
  23         var all PluginPackages
  24         err := json5.Unmarshal([]byte(js), &all)
  25         if err != nil {
  26                 t.Error(err)
  27         }
  28         selected, err := all.Resolve(PluginVersions{}, PluginDependencies{
  29                 &PluginDependency{"Bar", semver.MustParseRange(">=1.0.0")},
  30         })
  31
  32         check := func(name, version string) {
  33                 v := selected.find(name)
  34                 expected := semver.MustParse(version)
  35                 if v == nil {
  36                         t.Errorf("Failed to resolve %s", name)
  37                 } else if expected.NE(v.Version) {
  38                         t.Errorf("%s resolved in wrong version got %s", name, v)
  39                 }
  40         }
  41
  42         if err != nil {
  43                 t.Error(err)
  44         } else {
  45                 check("Foo", "1.5.0")
  46                 check("Bar", "1.0.0")
  47         }
  48
  49         selected, err = all.Resolve(PluginVersions{}, PluginDependencies{
  50                 &PluginDependency{"Unresolvable", semver.MustParseRange(">0.0.0")},
  51         })
  52         if err == nil {
  53                 t.Error("Unresolvable package resolved:", selected)
  54         }
  55 }